摘要：# -*- coding: utf-8 -*-import pandas as pdimport numpy as npimport matplotlib.pyplot as pltimport jsons = pd.Series([1,3,5,np.nan,6,8]);print(s);s = p... 阅读全文

摘要：@Echo off'设置目录set /p db_path=请输入数据库目录:if "%db_path%"=="" ( set db_path=temp echo 默认为空在temp目录下) set db_path=e:\mongodb\data\%db_path%'检测目录。。。。。if not exist %db_path% ( echo 创建目录:%db_path% md %db_path%)set port=1001bin\mongod.exe -installbin\mongod.exe --port %port% --dbpat 阅读全文